Finding the Fourth Proportional to 3,485.53, 5,224.64 and 1,144.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485.53 : 5,224.64 = 1,144.94 : x
2. Step 2: Convert to fraction form
   3,485.53/5,224.64 = 1,144.94/x
3. Step 3: Cross multiply
   3,485.53x = 5,224.64 × 1,144.94
4. Step 4: Simplify right side
   3,485.53x = 5,981,899.32
5. Step 5: Solve for x
   x = 5,981,899.32/3,485.53
6. Step 6: Final answer
   x = 1,716.21